24.50 Carat Blue Star Sapphire and Diamond Art Deco Ring in 18ct White Gold and Platinum

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This huge antique Art Deco Star Sapphire and Diamond halo ring is mesmerizing! The way the light moves and plays within the Sapphire is like one of those electric lightning balls, it’s astonishing and enchanting in equal measure.

The truly magical natural Blue Star Sapphire is surrounded by excellent Diamonds in heavy, solid 18ct White Gold and Platinum. It’s an original antique Art Deco ring and it’s magnificent. It’s French, and bears the French hallmarks on the outside of the band.

The Blue Sapphire weighs approximately 24.50 carats and it’s surrounded by excellent quality Diamonds. This is a beautifully made ring, that would work as either an engagement ring or a beautiful right hand ring. It’s like having a crystal ball on your finger!

Natural Star Sapphires occur when needle-like inclusions form within the Sapphire crystal while it grows. As a result, when direct light moves across the surface of the gem, is displays the phenomenon of asterism. Read everything you need to know about Sapphires here.

This ring is a size P (US 7 1/2) and can be sized to fit. If you need an alternate size, please write it in the Notes section upon checkout and we are happy to size it accordingly, free of charge. Please note, re-sizing can add up to two weeks to delivery times and your purchase will still be returnable for a full refund, as per our Refund Policy.

All of our rings come in a beautiful velvet box, as seen in our pictures. Please note the colour you would prefer in the Notes section, or, leave it blank and we’re happy to surprise you with the colour we think will best suit your beautiful new item!

We can accept all major credit and debit cards and you can also checkout using PayPal, click “checkout” to be guided through all the options. 

If you have any further questions about this item, or would like to request more photos, please contact us and we will get back to you as quickly as possible.



Art Deco


Dress/Engagement Ring  


18ct White Gold and Platinum


P - can be sized



Centre Stone

Star Sapphire


Round Cabochon 

Carat Weight

24.50 ct (approximate) 



Accent Stones


Total Carat Weight

0.30 ctw


G/H, VS1